Earthquake 20170904-5

2017-09-04 04:43:28.890 308.4 km 5.1 mb
21.5815°N, 142.9997°E
Phillipine Sea
921 km N of Hagåtña, Guam
Time Error: 0.95 s Depth Error: 24.0 km
Num. Stations: 27 Time RMS: 0.47 s
Num. Phases: 27 Azimuth Gap: 243°
Analysis Type: Manual Max. Intensity (MMI):
Effects Type: Seismic
 

MANUALLY REVIEWED LOCATION

Magnitudes

Preferred Magnitude Stations Error Author Action
5.4 mB_BB 2 0.40 NCMS System-search
5.1 M 0 0 NCMS System-search
Emblem-favorite 5.1 mb 0 0 NCMS System-search
5.2 M 19 0.30 NCMS System-search
5.1 mb 17 0.10 NCMS System-search

Origin Details

Ellipse Major:26.70 km Min. Distance:54.87° Fixed Depth:no
Ellipse Minor:9.80 km Max. Distance:90.80° Fixed Phase:no
Ellipse Strike:163.0° Fixed Location:no Fixed Time:no
Author:NCMS Location Method:Inversion Event Type:Earthquake
External Event ID:HYDRA_RED@18266 External Origin ID:HYDRA_RED@36566

Error Ellipse

Azimuth Dip Magnitude Action
Max 344° 62.9 km System-search
Intermediate 124° 79° 35.9 km System-search
Min 253° 22.6 km System-search

None

Channel Time Amplitude Period/Duration Magnitude Event Distance Event Azimuth Action
IU.MAKZ.00.BHZ 2017-09-04 04:52:28.970 21.4 0.65 s 4.7 mb 54.87° 312.8° System-search
II.KURK.00.BHZ 2017-09-04 04:52:46.460 48.1 0.90 s 5.0 mb 57.44° 317.2° System-search
II.AAK.00.BHZ 2017-09-04 04:53:05.309 24.8 0.60 s 4.9 mb 60.10° 307.7° System-search
IU.COLA.00.BHZ 2017-09-04 04:53:17.160 21.6 0.60 s 4.9 mb 61.82° 26.9° System-search
II.BRVK.00.BHZ 2017-09-04 04:53:21.859 1e+03 0.60 s 5.6 mB_BB 62.71° 319.6° System-search
II.BRVK.00.BHZ 2017-09-04 04:53:22.259 69.9 0.50 s 5.5 mb 62.71° 319.6° System-search
IU.COLA.00.BHZ 2017-09-04 04:54:24.410 492.8 4.20 s 5.3 mB_BB 61.82° 26.9° System-search
OM.BID.--.HHZ 2017-09-04 04:54:50.579 64.5 0.92 s 5.4 mb 77.20° 290.5° System-search
AE.SHM.--.HHZ 2017-09-04 04:54:55.859 41.9 0.80 s 5.3 mb 78.19° 293.6° System-search
AE.MSF.--.HHZ 2017-09-04 04:54:56.829 47.2 0.96 s 5.2 mb 78.33° 292.8° System-search
OM.SOH.--.HHZ 2017-09-04 04:54:57.160 12.0 1.00 s 4.6 mb 78.40° 291.5° System-search
DN.HAT.--.HHZ 2017-09-04 04:54:57.700 12.6 0.82 s 4.8 mb 78.53° 292.3° System-search
DN.FAQ.--.HHZ 2017-09-04 04:54:59.519 66.6 0.78 s 5.5 mb 79.02° 292.4° System-search
OM.ASH.--.HHZ 2017-09-04 04:55:00.259 9.7 0.80 s 4.7 mb 78.64° 292.2° System-search
AE.ALN.--.HHZ 2017-09-04 04:55:00.859 23.4 0.78 s 5.1 mb 79.10° 291.7° System-search
AE.AJN.--.HHZ 2017-09-04 04:55:02.859 38.4 0.78 s 5.3 mb 79.59° 292.4° System-search
DN.ASU.--.HHZ 2017-09-04 04:55:04.569 86.4 0.90 s 5.6 mb 79.28° 292.4° System-search
AE.MZR.--.HHZ 2017-09-04 04:55:14.329 54.4 0.56 s 5.6 mb 81.42° 291.4° System-search
AE.SRB.--.HHZ 2017-09-04 04:55:16.180 38.5 1.18 s 5.1 mb 80.03° 293.3° System-search
Channel Phase Time Time Residual Dir. Event Distance Event Azimuth Automatic? Defined By Action
IU.MAKZ.00.BHZ P 2017-09-04 04:52:28.170 0.20 s 54.87° 312.8° no Time System-search
II.KURK.00.BHZ P 2017-09-04 04:52:45.690 -0.30 s 57.44° 317.2° no Time System-search
II.AAK.00.BHZ P 2017-09-04 04:53:04.839 0.30 s 60.10° 307.7° no Time System-search
IU.COLA.00.BHZ P 2017-09-04 04:53:15.109 -0.30 s 61.82° 26.9° no Time System-search
II.BRVK.00.BHZ P 2017-09-04 04:53:21.519 0 s 62.71° 319.6° no Time System-search
IU.KBL.--.BHZ P 2017-09-04 04:53:38.279 -0.20 s 65.25° 299.2° no Time System-search
OM.BID.--.HHZ P 2017-09-04 04:54:49.980 0.30 s 77.20° 290.5° no Time System-search
IU.COR.00.BHZ P 2017-09-04 04:54:52.859 0.90 s 77.70° 46.8° yes Time System-search
IU.KEV.00.BHZ P 2017-09-04 04:54:54.910 -0.50 s 78.41° 341.4° yes Time System-search
AE.SHM.--.HHZ P 2017-09-04 04:54:55.380 0.30 s 78.19° 293.6° no Time System-search
OM.SOH.--.HHZ P 2017-09-04 04:54:55.829 -0.40 s 78.40° 291.5° no Time System-search
II.UOSS.10.BHZ P 2017-09-04 04:54:56.079 -0.30 s 78.43° 292.4° no Time System-search
AE.MSF.--.HHZ P 2017-09-04 04:54:56.230 0.40 s 78.33° 292.8° no Time System-search
DN.HAT.--.HHZ P 2017-09-04 04:54:57.069 0.20 s 78.53° 292.3° no Time System-search
OM.ASH.--.HHZ P 2017-09-04 04:54:57.539 0 s 78.64° 292.2° no Time System-search
DN.FAQ.--.HHZ P 2017-09-04 04:54:59.079 -0.50 s 79.02° 292.4° yes Time System-search
AE.ALN.--.HHZ P 2017-09-04 04:55:00.259 0.30 s 79.10° 291.7° no Time System-search
DN.ASU.--.HHZ P 2017-09-04 04:55:01.059 0.10 s 79.28° 292.4° no Time System-search
AE.AJN.--.HHZ P 2017-09-04 04:55:02.170 -0.40 s 79.59° 292.4° no Time System-search
AE.SRB.--.HHZ P 2017-09-04 04:55:04.170 -0.80 s 80.03° 293.3° no Time System-search
AE.JRN.--.HHZ P 2017-09-04 04:55:11.119 -0.60 s 81.31° 293.4° no Time System-search
AE.MZR.--.HHZ P 2017-09-04 04:55:12.150 -0.10 s 81.42° 291.4° yes Time System-search
II.KIV.00.BHZ P 2017-09-04 04:55:17.359 0.30 s 82.38° 314.3° yes Time System-search
IU.GNI.00.BHZ P 2017-09-04 04:55:17.759 0.50 s 82.39° 310.2° yes Time System-search
GO.AKH.--.HHZ P 2017-09-04 04:55:20.000 0.70 s 82.80° 311.7° yes Time System-search
II.FFC.00.BHZ P 2017-09-04 04:55:34.660 -0.20 s 86.01° 31.7° yes Time System-search
IU.ANTO.00.BHZ P 2017-09-04 04:55:56.690 -1.10 s 90.80° 313.8° yes Time System-search

Shake Maps

None

Ground Motion

None

Event 20170904-5

Time: 2017-09-04 04:43:28.890
Position:21.5815°N, 142.9997°E
Place:Phillipine Sea
Major Place:921 km N of Hagåtña, Guam
Depth:308.4 km
Magnitude:5.1 mb